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Drill rod

Drill rod

FOB Price

أحصل على آخر سعر

1 ~ 10000 / Piece ( Negotiable )

|

Minimum Order

Place of Origin:

-

Price for Minimum Order:

Minimum Order Quantity:

1 Piece

Packaging Detail:

Case

Delivery Time:

15 DAY

Supplying Ability:

10000 Piece per Month

Payment Type:

T/T, L/C, Western Union, Money Gram

الاتصال الآن
Jessin Rock Drill CO., Limited

Jessin Rock Drill CO., Limited

China

عضو مجاني

الشخص الذي يمكن الاتصال به Mr. James

Taohua village, Hanpu town,Yuelu district, Changsha, Hunan

الاتصال الآن

Description

M/M extension ROD  
     JESSIN ROCK DRILL Co.,LIMITED The round cross sections are more prevalent for extension drilling applications. A round rod has less material and thus is lighter to handle and less expensive than an equivalent size hexagonal rod. While hexagonal rod is particularly advantageous for drifting and tunneling drilling. The increased rigidity of hexagonal drill rods enables them to abating hole-deviation and enhances flushing for cleaning holes. Even with the larger cross section, hexagonal steel can still accommodate the same diameter bit as that of an equivalent round steel.
 
      Carburization technique is mainly used in the production of big diameter rods to ensure excellent performance. Carburizing is for hardening entire rod to provide an external over entire rod surface area. Carburized steels are used primarily in underground applications and where water is used as a flushing medium. High Frequency technique is primarily used in the production of small diameter rods to reduce fragileness of drill steels. High Frequency is for hardening only the thread ends of the rod. This provides the longevity of the product as well as being more suitable for more drilling condition need. Steels produced with this technics primarily used in surface drilling applications where air is the primary flushing medium. Phosphorising is to improve anti-erosion capability of the entire external rod surface area.

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